IAD - SYD

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Cheap Flights from Dulles Intl to Sydney (IAD-SYD)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Dulles Intl to Sydney

Wed, 21 Oct - Sun, 25 Oct
Multiple Airlines Logo
06:00 - 12:50IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
39h 50m3 stops Las Vegas Harry Reid Intl Los Angeles Los Angeles Nadi
Multiple Airlines Logo
14:00 - 11:34SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
36h 34m3 stops Nadi Los Angeles Los Angeles Dallas/Fort Worth
$1,553Multiple Airlines
Mon, 19 Oct - Mon, 26 Oct
Multiple Airlines Logo
07:50 - 12:50IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
38h 00m3 stops Atlanta Hartsfield-Jackson Los Angeles Los Angeles Nadi
Multiple Airlines Logo
14:00 - 06:20SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
31h 20m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl
$1,555Multiple Airlines
Sun, 1 Nov - Sun, 22 Nov
Multiple Airlines Logo
07:40 - 12:35IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
36h 55m3 stops Atlanta Hartsfield-Jackson Los Angeles Los Angeles Nadi
Multiple Airlines Logo
14:00 - 20:40SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
46h 40m3 stops Nadi Los Angeles Los Angeles Orlando
$1,659Multiple Airlines
Mon, 19 Oct - Mon, 26 Oct
Multiple Airlines Logo
07:50 - 12:50IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
38h 00m3 stops Atlanta Hartsfield-Jackson Los Angeles Los Angeles Nadi
Multiple Airlines Logo
14:00 - 06:20SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
31h 20m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl
$1,682Multiple Airlines
Sun, 8 Nov - Sun, 22 Nov
Multiple Airlines Logo
12:31 - 12:35IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
56h 04m3 stops Dallas/Fort Worth Los Angeles Los Angeles Nadi
Multiple Airlines Logo
14:00 - 20:40SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
46h 40m3 stops Nadi Los Angeles Los Angeles Orlando
$1,703Multiple Airlines
Fri, 25 Sep - Fri, 16 Oct
Multiple Airlines Logo
07:50 - 11:50IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
38h 00m3 stops Atlanta Hartsfield-Jackson Los Angeles Los Angeles Nadi
Multiple Airlines Logo
14:15 - 06:20SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
55h 05m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl
$1,719Multiple Airlines
Fri, 25 Sep - Fri, 16 Oct
Multiple Airlines Logo
07:50 - 11:50IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
38h 00m3 stops Atlanta Hartsfield-Jackson Los Angeles Los Angeles Nadi
Multiple Airlines Logo
14:15 - 06:20SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
55h 05m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl
$1,719Multiple Airlines
Mon, 19 Oct - Mon, 26 Oct
Multiple Airlines Logo
07:50 - 12:50IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
38h 00m3 stops Atlanta Hartsfield-Jackson Los Angeles Los Angeles Nadi
Multiple Airlines Logo
14:00 - 06:20SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
31h 20m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl
$1,739Multiple Airlines
Wed, 18 Nov - Wed, 2 Dec
Air New Zealand Logo
09:00 - 10:35IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
33h 35m2 stops Los Angeles Los Angeles Auckland Intl
Air New Zealand Logo
11:50 - 00:30SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
28h 40m2 stops Auckland Intl Los Angeles Los Angeles
$1,747Air New Zealand
Tue, 26 Jan - Tue, 2 Feb
Air New Zealand Logo
14:36 - 08:35IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
25h 59m2 stops San Francisco Auckland Intl
Air New Zealand Logo
09:55 - 21:12SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
27h 17m2 stops Auckland Intl Houston George Bush Intcntl
$1,747Air New Zealand
Booking Insights

Price, demand, and travel trends for Washington, D.C. Dulles Intl Airport to Sydney flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Washington, D.C. Dulles Intl Airport to Sydney with more confidence.

What's the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Sydney?

Tuesday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Sydney and is 10% cheaper than the average day. Saturday is the most expensive day with flight prices 12% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Sydney?

  • May is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Sydney at $1,918 return.
  • December ($3,274) and September ($2,501) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 70% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Washington, D.C. Dulles Intl Airport to Sydney the cheapest?

Flights from Washington, D.C. Dulles Intl Airport to Sydney are cheapest 22 weeks before departure. Booking in this window typically costs about 55% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Washington, D.C. Dulles Intl Airport to Sydney flights

Low season

August

Cheapest flight

$799
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly (1% more expensive on average)
Flights from Washington, D.C. Dulles Intl Airport to Sydney

When to book flights from Dulles Intl to Sydney

Are your dates flexible? Find out the best times to travel from Dulles Intl to Sydney based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Washington, D.C. Dulles Intl Airport to Sydney flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airlines are suitable for families flying from Washington Dulles Airport to Sydney?

    Families with children traveling from Washington Dulles Airport to Sydney should consider traveling with Qantas Airways. They provide activity packs filled with games, puzzles, coloring books, and other fun items to keep young passengers entertained during the flight. Qantas Airways also offers a dedicated children's inflight entertainment section featuring a variety of movies, TV shows, and music suitable for different age groups.

  • Which airline should I book for an unaccompanied minor flying from Washington Dulles Airport to Sydney?

    United Airlines is a great option for an unaccompanied kid traveling from Washington Dulles Airport to Sydney. According to United Airlines regulation, a child between the ages of 5 and 15 are permitted to fly alone as long as they have parental or guardian consent and can show identification. A passport or a driver's license with a current photo is required from parents or guardians. In addition, parents or guardians must complete the Unaccompanied Minors Form in person at the airport of departure.

  • Which airline from Washington Dulles Airport to Sydney is ideal for persons with special needs?

    If you have special needs and require extra assistance, fly on Qantas Airways from Washington Dulles Airport to Sydney. The airline assists passengers who require mobility aid, including wheelchair assistance, during boarding and disembarkation. They provide accessible seating options and priority boarding for passengers who need extra time or assistance. Passengers with visual impairments can request assistance with Braille safety cards and cabin announcements.

  • Which airlines offer business and first-class flights from Washington Dulles Airport to Sydney?

    Business and first-class flights are available from Washington Dulles Airport to Sydney on United Airlines and Qantas Airways. United Airlines provides pre-departure refreshments, premium entertainment, and bedding from Saks Fifth Avenue. Qantas Airways offers first-class, business-class, and premium economy flights with great service, gourmet meals, and an extensive wine list.

  • Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to Sydney?

    Flights from Washington, D.C. Dulles Intl Airport to Sydney usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Sydney Kingsford Smith (SYD).

  • Which cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to Sydney?

    Two cabin classes are available on flights from Washington, D.C. Dulles Intl Airport to Sydney:

    • Economy class
    • First Class

  • Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to Sydney pass through?

    One-stop flights from Washington, D.C. Dulles Intl Airport to Sydney most commonly connect through:

    • San Francisco (SFO) – 27% of one-stop connections
    • Los Angeles Los Angeles (LAX) – 26% of one-stop connections
    • Dallas/Fort Worth (DFW) – 24% of one-stop connections
    • Vancouver Intl (YVR) – 10% of one-stop connections

    San Francisco (SFO) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to Sydney?

    Yes. Being flexible with your travel dates can save you up to 20% on the Washington, D.C. Dulles Intl Airport to Sydney route. Tuesday is the cheapest departure day at $2,078 return on average, while Saturday is the most expensive at $2,569, a difference of $490. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Sydney?

    Some of the most popular sights in Sydney are Darling Harbour, Circular Quay, and Central Railway Station. These are among the most viewed places in Sydney on KAYAK.

  • How expensive are last-minute Washington, D.C. Dulles Intl Airport to Sydney flights?

    Last-minute fares on this route (booked within 2 weeks of departure) run 30% above the route average of $2,288. Book 22 weeks before departure for the lowest fares.

  • How long is a flight from Washington, D.C. Dulles Intl Airport to Sydney?

    A direct flight from Washington, D.C. Dulles Intl Airport to Sydney takes 0h 00m, covering 25,219 km.

  • Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to Sydney?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Washington, D.C. Dulles Intl Airport to Sydney looking right now?

    One-way fares from Washington, D.C. Dulles Intl Airport to Sydney are currently lower than usual. Average one-way flight prices are about $853, which is 45% below the typical average for this route.

  • How much time can I save by choosing a different stopover airport from Washington, D.C. Dulles Intl Airport to Sydney?

    Flying via San Francisco (SFO) gives the shortest average 1-stop total travel time of 21h 43m, compared to 22h 10m via Dallas/Fort Worth (DFW) and 22h 28m via Vancouver Intl (YVR).

  • What is the time difference between Washington, D.C. Dulles Intl Airport and Sydney?

    Sydney is 14 hours ahead of Washington, D.C. Dulles Intl Airport (Eastern Australia Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which car hire options are available at Sydney Kingsford Smith Airport (SYD)?

    Sydney Kingsford Smith Airport (SYD) hosts 5 major car hire companies, with daily rates starting from around $14 for economy cars. Top options include:
    · Bargain Car Rentals
    · East Coast Car Rentals
    · EverythingFleet
    · YESDRIVE CAR RENTAL
    · No Birds

  • How much should I expect to pay for a Washington, D.C. Dulles Intl Airport to Sydney flight?

    Return flights from Washington, D.C. Dulles Intl Airport to Sydney range from $1,978 to $2,695, with an average of $2,288 over the past 12 months. Anything below $1,978 counts as a good deal.

Your guide to booking Washington, D.C. Dulles Intl Airport to Sydney flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure instead of Saturday. On this route, Tuesday flights average $2,078 – about $490 less than Saturday (19% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 22 weeks before you fly. On this route, that window historically saves about 55% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to Sydney trip for May. Fares historically average $1,918 return in that month – typically $1,356 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Sydney Kingsford Smith Airport.
    - ibis budget Sydney Airport
    - Rydges Sydney Airport Hotel
    - Travelodge Hotel Sydney Airport
  • Passengers flying from Washington Dulles Airport (IAD) to Sydney will land at Sydney Airport (SYD). Sydney Airport (SYD) is a base for Qantas Airways, which offers competitive prices and flexible travel policies for flights from IAD to SYD.
  • You can get flights from Washington Dulles Airport to Sydney with a layover en route. The layovers differ with your airline, with most stopping at their hubs or base of operation. United Airlines and American Airlines flights have a layover at Los Angeles (LAX) and San Francisco (SFO), respectively, while ANA flights stop in Tokyo (HND).
  • Qantas Airways provides sustainable flights to Sydney from Washington Dulles Airport. Qantas Airways prioritizes sustainability in its operations and invest in eco-friendly aircraft technology. The airline is committed to reducing greenhouse gas emissions, improving fuel efficiency, and investing in sustainable aviation fuels. They prioritize aircraft fleet renewal with more fuel-efficient and lower-emission planes.
  • United Airlines has pet-friendly policies for flights from Washington Dulles Airport to Sydney. Pets are permitted in the cabin or cargo hold in an authorized kennel or carrier. The kennel or carrier should be leak-proof, well-ventilated, and have enough space for the pet. The carrier's maximum size and weight limits are 17 x 12.5 x 7.5 inches and 17 lb, respectively.
  • Public transport options from SYD to downtown Sydney include the train and bus. Train T8 runs every 5 minutes from the airport station to downtown Sydney. Murrays Coaches operates a bus that runs every hour from the Terminal 1 bus stop to downtown Sydney.

More options for your flight from Dulles Intl to Sydney

Complete your trip to Sydney with a hotel stay or car hire